18041868

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2029}}^1$

素因数の和:2071

約数の個数: 72

約数和(自身を含む): 51724400

約数和(自身を除く): 33682532

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2029, 2223, 2964, 4058, 4446, 6087, 8116, 8892, 12174, 18261, 24348, 26377, 36522, 38551, 52754, 73044, 77102, 79131, 105508, 115653, 154204, 158262, 231306, 237393, 316524, 346959, 462612, 474786, 501163, 693918, 949572, 1002326, 1387836, 1503489, 2004652, 3006978, 4510467, 6013956, 9020934, 18041868]

約数ペア:

[(1, 18041868), (2, 9020934), (3, 6013956), (4, 4510467), (6, 3006978), (9, 2004652), (12, 1503489), (13, 1387836), (18, 1002326), (19, 949572), (26, 693918), (36, 501163), (38, 474786), (39, 462612), (52, 346959), (57, 316524), (76, 237393), (78, 231306), (114, 158262), (117, 154204), (156, 115653), (171, 105508), (228, 79131), (234, 77102), (247, 73044), (342, 52754), (468, 38551), (494, 36522), (684, 26377), (741, 24348), (988, 18261), (1482, 12174), (2029, 8892), (2223, 8116), (2964, 6087), (4058, 4446)]